Error 0x8004121A

Value: -2147216870 | 0x8004121A | 2147750426

What does it mean ?

PRTH_E_TRUNCATED  
Some data was truncated. Check that the content can still be read.
Value: 4634 | 0x121A | 0b0001001000011010

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

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